Bump Microsoft.NET.Test.Sdk from 17.13.0 to 18.0.0

---
updated-dependencies:
- dependency-name: Microsoft.NET.Test.Sdk
  dependency-version: 18.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

AhbichtClient/ExampleAspNetCoreApplication.Test/ExampleAspNetCoreApplication.Test.csproj

@@ -10,7 +10,7 @@
   <ItemGroup>
     <PackageReference Include="AwesomeAssertions" Version="8.1.0" />
     <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.10" />
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.0" />
     <PackageReference Include="xunit" Version="2.9.3" />
     <PackageReference Include="xunit.runner.visualstudio" Version="3.1.5">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>